Home / 51,510.96-77,135.76-43,169.04

Finding the Fourth Proportional to 51,510.96, 77,135.76 and 43,169.04

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Solution

The fourth proportional to 51,510.96, 77,135.76 and 43,169.04 is: 64,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510.96 : 77,135.76 = 43,169.04 : x
  2. Step 2: Convert to fraction form
    51,510.96/77,135.76 = 43,169.04/x
  3. Step 3: Cross multiply
    51,510.96x = 77,135.76 × 43,169.04
  4. Step 4: Simplify right side
    51,510.96x = 3,329,876,708.87
  5. Step 5: Solve for x
    x = 3,329,876,708.87/51,510.96
  6. Step 6: Final answer
    x = 64,644.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.